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.TH "GAMMU-SMSD" "1" "Oct 03, 2020" "1.42.0" "Gammu"
.SH NAME
gammu-smsd \- SMS daemon for Gammu
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.SH SYNOPSIS
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gammu\-smsd [OPTION]...
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.SH DESCRIPTION
.sp
This manual page documents briefly the \fBgammu\-smsd\fP command.
.sp
\fBgammu\-smsd\fP is a program that periodically scans GSM modem for
received messages, stores them in defined storage and also sends messages
enqueued in this storage.
.sp
The daemon can reload configuration file after sending hangup signal (SIGHUP)
and properly terminates itself on SIGINT and SIGTERM.
.sp
Program accepts following options (please note that long options might be not
accepted on some platforms):
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.B \-h, \-\-help
Shows help.
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.B \-v, \-\-version
Shows version information and compiled in features.
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.B \-c, \-\-config=file
Configuration file to use, default is /etc/gammu\-smsdrc, on Windows there
is no default and configuration file path has to be always specified.
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If you run SMSD as a system daemon (or service), it is recommended to use
absolute path to configuration file as startup directory might be
different than you expect.
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See gammu\-smsdrc for configuration file documentation.
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.B \-p, \-\-pid=file
Lock file for storing pid, empty for no locking. Not supported on Windows.
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.B \-U, \-\-user=user
Drop daemon privileges to chosen user after starting.
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.B \-G, \-\-group=group
Drop daemon privileges to chosen group after starting.
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.B \-d, \-\-daemon
Daemonize program on startup. Not supported on Windows.
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.B \-i, \-\-install\-service
Installs SMSD as a Windows service.
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.B \-u, \-\-uninstall\-service
Uninstalls SMSD as a Windows service.
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.B \-s, \-\-start\-service
Starts SMSD Windows service.
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.B \-k, \-\-stop\-service
Stops SMSD Windows service.
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.B \-f, \-\-max\-failures=count
Terminate after defined number of failures. Use 0 to not terminate (this is default).
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.B \-X, \-\-suicide=seconds
Kills itself after number of seconds.
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.B \-S, \-\-run\-service
Runs pogram as SMSD Windows service. This should not be used manually, but
only Windows Service manager should use this command.
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.B \-n, \-\-service\-name=name
Defines name of a Windows service. Each service requires an unique name,
so if you want to run several SMSD instances, you have to name each
service differently. Default is "GammuSMSD".
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.B \-l, \-\-use\-log
Use logging as configured in config file (default).
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.B \-L, \-\-no\-use\-log
Do not use logging as configured in config file.
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.B \-e, \-\-install\-event\-log
Installs Windows EventLog description to registry.
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New in version 1.31.90.

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.B \-E, \-\-uninstall\-event\-log
Uninstalls Windows EventLog description to registry.
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New in version 1.31.90.

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.SH SIGNALS
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SMSD can be controlled using following POSIX signals (if your platform supports this):
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.B SIGHUP
Reload configuration and reconnect to phone.
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.B SIGINT, SIGTERM
Gracefully shutdown the daemon.
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.B SIGALRM
Used internally for \fI\%gammu\-smsd \-X\fP
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.B SIGUSR1
Suspends SMSD operation, closing connection to phone and database.
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.B SIGUSR2
Resumes SMSD operation (after previous suspend).
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.sp
Changed in version 1.22.91: Added support for SIGHUP.

.sp
Changed in version 1.22.95: Added support for SIGALRM.

.sp
Changed in version 1.31.90: Added support for SIGUSR1 and SIGUSR2.

.SH EXAMPLES
.SS Linux/Unix Examples
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Start SMSD as a daemon on Linux:
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gammu\-smsd \-\-config /etc/gammu\-smsdrc \-\-pid /var/run/gammu\-smsd.pid \-\-daemon
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Start SMSD as a daemon on Linux with reduced privileges:
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gammu\-smsd \-\-config /etc/gammu\-smsdrc \-\-pid /var/run/gammu\-smsd.pid \-\-daemon \-\-user gammu \-\-group gammu
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.SS SMSD as a system wide daemon
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To use SMSD as a daemon, you might want to use init script which is shipped
with Gammu in contrib/init directory. It is not installed by default, either
install it manually or check INSTALL file for instructions.
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Under Windows 7 you might need to disable UAC (user account control) before
you will be able to install SMSD service.
.SS Windows Service Examples
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Install Gammu SMSD Windows service:
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gammu\-smsd.exe \-c c:\eGammu\esmsdrc \-i
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Install two instances of SMSD Windows service:
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gammu\-smsd.exe \-c c:\eGammu\esmsdrc\-1 \-n Gammu\-first\-phone \-i

gammu\-smsd.exe \-c c:\eGammu\esmsdrc\-2 \-n Gammu\-second\-phone \-i
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To uninstall a Windows service:
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gammu\-smsd.exe \-u
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.SS Troubleshooting Windows Service
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If Gammu fails to start as a Windows service (you will usually get "Error
1053: The service did not respond to the start or control request in a timely
fashion"), first check your SMSD logs. If they do not contain any useful hint,
try starting SMSD manually with exactly same parameters as you installed the
service (without \-i).
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For example the command line can look like:
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.nf
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gammu\-smsd.exe \-c smsdrc
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.sp
You now should be able to get errors from SMSD even if it fails to start as a
service.
.SS Invoking Gammu and suspending SMSD
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As you can not run Gammu and Gammu SMSD at same time on signle device, you can
workaround this limitation by suspending SMSD temporarily using \fISIGUSR1\fP and
\fISIGUSR2\fP signals (see also \fI\%Signals\fP):
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SMSD_PID=\(gapidof gammu\-smsd\(ga
if [ \-z "$SMSD_PID" ] ; then
    echo "Failed to figure out SMSD PID!"
else
    kill \-SIGUSR1 $SMSD_PID
    gammu identify
    kill \-SIGUSR2 $SMSD_PID
fi
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.fi
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.sp
Or even create a \fIgammu\-safe\fP script:
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#!/bin/bash
SMSD_PID=\(gapidof gammu\-smsd\(ga
if [ \-z "$SMSD_PID" ] ; then
  gammu $@
else
  tty=$(lsof |grep \-E "gammu\-sms\es+$SMSD_PID\es+.*/dev/tty*"|awk {\(aqprint $NF\(aq})
  kill \-SIGUSR1 $SMSD_PID
  while test "$(fuser $ttyfuser $tty 2> /dev/null|xargs)" = $SMSD_PID
  do
    sleep 1
  done
  sleep 1
  gammu $@
  kill \-SIGUSR2 $SMSD_PID
  while test "$(fuser $ttyfuser $tty 2> /dev/null|xargs)" != $SMSD_PID
  do
    sleep 1
  done
  sleep 1
fi
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.fi
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.SH KNOWN LIMITATIONS
.sp
You can not use same phone by more programs in same time. However in case you
did not enable locking in \fB[gammu]\fP section, it might be able
to start the communication with phone from more programs. In this case neither
of the programs will probably work, see \fI\%Invoking Gammu and suspending SMSD\fP for
workaround.
.sp
There is no way to detect that SMS message is reply to another by looking at
message headers. The only way to achieve this is to add some token to the
message and let the user include it in the message on reply.
.SH AUTHOR
Michal Čihař <michal@cihar.com>
.SH COPYRIGHT
2009-2015, Michal Čihař <michal@cihar.com>
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